Zilog Z80380 - Manual (Page 116)

5-82
Z380 ™
U SER ' S M ANUAL
DC-8297-03
Z ILOG
LD
LOAD ACCUMULATOR
LD dst,src dst = A
src = R, RX, IM, IR, DA, X
or
dst = R, RX, IR, DA, X
src = A
Operation: dst
←
src
The contents of the source are loaded into the destination.
Flags: S: Unaffected
Z: Unaffected
H: Unaffected
V: Unaffected
N: Unaffected
C: Unaffected
Load into Accunulator
Addressing
Execute
Mode Syntax Instruction Format Time Note
R: LD A,R 01111-r- 2
RX: LD A,RX 11y11101 0111110w 2
IM: LD A,n 00111110 ——n— 2
IR: LD A,(HL) 01111110 2+r
LD A,(IR) 000a1010 2+r
DA: LD A,(nn) 00111010 -n(low)- -n(high) 3+r I
X: LD A,(XY+d) 11y11101 01111110 ——d— 4+r I
Load from Accunulator
Addressing
Execute
Mode Syntax Instruction Format Time Note
R: LD Rd,A 01-r-111 2
RX: LD RX,A 11y11101 0110w111 2
IR: LD (HL),A 01110111 3+w
LD (IR),A 000a0010 3+w
DA: LD (nn),A 00110010 -n(low)- -n(high) 4+w I
X : LD (XY+d),A 11y11101 01110111 ——d— 5+w I
Field Encodings: r: per convention
y: 0 for IX, 1 for IY
w: 0 for high byte, 1 for low byte
a:
0 for BC, 1 for DE